Download 8th International Symposium on High-Temperature by Jiann-Yang Hwang, Tao Jiang, Mark William Kennedy, Onuralp PDF

By Jiann-Yang Hwang, Tao Jiang, Mark William Kennedy, Onuralp Yücel, P. Chris Pistorius, Varadarajan Seshadri, Baojun Zhao, Dean Gregurek, Ender Keskinkilic

This assortment good points contributions overlaying the advances and advancements of latest high-temperature metallurgical applied sciences and their purposes to the components of: processing of minerals; extraction of metals; instruction of metal, refractory, and ceramic fabrics; remedy and recycling of slag and wastes; conservation of power; and environmental defense. the quantity may have a vast effect at the lecturers and execs serving the metallurgical industries around the globe by means of supplying them with complete insurance of a large choice of topics.

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Extra resources for 8th International Symposium on High-Temperature Metallurgical Processing

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Analyses The composition of the synthesized phases was analyzed by X-ray diffraction (XRD) using a Bruker D8 DaVinci. Scanning ranges of 2h = 5–60° and 2h = 15– 75° were used. The radiation was obtained from a copper anode. The peaks obtained were compared to the Powder Diffraction File (PDF) database. Parts of the sample representative of the section of the synthesis product were embedded in epoxy and polished using SiC paper and diamond suspensions. These samples mounted in epoxy were cleaned with ethanol, partly wrapped in aluminum and degassed overnight.

Scanning ranges of 2h = 5–60° and 2h = 15– 75° were used. The radiation was obtained from a copper anode. The peaks obtained were compared to the Powder Diffraction File (PDF) database. Parts of the sample representative of the section of the synthesis product were embedded in epoxy and polished using SiC paper and diamond suspensions. These samples mounted in epoxy were cleaned with ethanol, partly wrapped in aluminum and degassed overnight. Secondary electron (SE), backscattered electron (BSE) and energy-dispersive x-ray spectroscopy (EDS) images were obtained using a field emission scanning electron microscope (FESEM Zeiss Supra or FESEM Zeiss Ultra).

Approx. 150 mm from hot face (a). Infiltrated brick microstructure. Corroded sintered magnesia (MgO). Pores filled with barium- and phosphorous-enriched Na–Ca–Cr-sulfate (NaBaCrS). Chromite (Cr). Histogram showing differences in the chemical composition of Na–Ca–Cr-sulfate from the hot to cold face (b). This phase contains also some barium the cold end. This moreover means that the invariant point of the respective mineral phase assemblages is below the cold face temperature. Within the infiltrated brick microstructure, the sintered magnesia shows severe intra-granular corrosion particularly in the area 2–5 mm from the hot face.

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